Decoding file 90100431.WAT:
FileHdr ver=1 ID=9 rate=600 01/09/2017 18:23:41.841 dur=0.611
Second Marker 01/09/2017 18:23:42
Inertial Data  acc: -0.05310  0.05600  0.14880  quat: -0.66852  0.20721  0.70868  0.08905 norm:  1.000005
Inertial Data  acc: -0.04721  0.05455  0.15102  quat: -0.66095  0.20868  0.71442  0.09564 norm:  0.999970
File 90100431.WAT: 2 data records in 0.611 seconds